weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

One product issued by NWS for: Chicago IL
Share |


Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
313 AM CDT TUE JUL 28 2015

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
290815-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
313 AM CDT TUE JUL 28 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TODAY AND TONIGHT.

  WEATHER HAZARDS EXPECTED:

  THUNDERSTORMS...SOME CAPABLE OF PRODUCING:
    VERY HEAVY DOWNPOURS.
    FREQUENT CLOUD TO GROUND LIGHTNING.

  AREAS AFFECTED AND TIMING:

  THERE IS A SMALL CHANCE OF THUNDERSTORMS LATE THIS MORNING
  THROUGH EARLY THIS EVENING OVER NORTH CENTRAL
  ILLINOIS...HOWEVER THE THREAT OF THUNDERSTORMS WILL INCREASE
  FROM WEST TO EAST ACROSS THE NORTHERN ILLINOIS AND INTO
  NORTHWEST INDIANA LATE THIS EVENING THROUGH THE OVERNIGHT HOUR.

  DISCUSSION:

  THERE IS A CHANCE OF THUNDERSTORMS TODAY OVER NORTH CENTRAL
  ILLINOIS...HOWEVER THE BETTER CHANCE OF THUNDERSTORMS APPEARS
  TO BE FROM MID-LATE EVENING THROUGH THE OVERNIGHT HOURS.
  CONDITIONS GENERALLY APPEAR TO BE NOT PARTICULARLY FAVORABLE
  FOR STRONG TO SEVERE THUNDERSTORMS...HOWEVER HEAVY
  RAIN...FREQUENT LIGHTNING...AND PERHAPS LOCALIZED FLOODING ARE
  POSSIBLE WITH ANY OF THE MORE INTENSE STORMS.

  IN ADDITION...PORTIONS OF THE KANKAKEE RIVER IN NORTHWEST
  INDIANA WILL REMAIN IN FLOOD.

  FINALLY...HEAT INDEX READINGS OVER 100 ARE FORECAST
  TODAY...MAINLY WELL SOUTH AND SOUTHWEST OF CHICAGO.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS CHANCES WILL LINGER THROUGH WEDNESDAY
MORNING...MAINLY SOUTH AND EAST OF INTERSTATE 55.

THERE IS A CHANCE OF THUNDERSTORMS AGAIN BY SUNDAY OR MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE